EP3473083B1 - Verfahren zur markierung eines baumstamms mit biologisch abbaubarer wässriger markierungsfarbenlösung sowie biologisch abbaubare wässrige markierungsfarbenlösung - Google Patents

Verfahren zur markierung eines baumstamms mit biologisch abbaubarer wässriger markierungsfarbenlösung sowie biologisch abbaubare wässrige markierungsfarbenlösung Download PDF

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Publication number
EP3473083B1
EP3473083B1 EP18187559.2A EP18187559A EP3473083B1 EP 3473083 B1 EP3473083 B1 EP 3473083B1 EP 18187559 A EP18187559 A EP 18187559A EP 3473083 B1 EP3473083 B1 EP 3473083B1
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EP
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Prior art keywords
aqueous
marking paint
corrosion inhibitor
biodegradable
solution
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EP18187559.2A
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English (en)
French (fr)
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EP3473083A1 (de
Inventor
Pekka MAJAMÄKI
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • A01G23/083—Feller-delimbers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/099—Auxiliary devices, e.g. felling wedges
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic

Definitions

  • the invention is a method according to claim 1 for marking a tree trunk with a biodegradable aqueous marking paint solution containing a rust inhibitor as well.
  • the invention also is a biodegradable aqueous marking paint solution according to claim 10 for marking a tree trunk, said aqueous solution containing also a rust inhibitor.
  • Tree trunks are marked with water soluble marking paints by means of a harvester head-mounted spraying device in the process of tree felling for sorting the tree trunks.
  • the marking paints used in aqueous marking paint solutions have good resistance to low temperatures but, in order to prevent water from freezing in the spraying apparatus, the aqueous solution should contain some appropriate antifreezing agent for raising the aqueous solution freezing point.
  • WO 03/034809 A1 discloses an aqueous marking paint solution and a method for marking a tree trunk with said aqueous marking paint solution.
  • aqueous solutions should contain some appropriate corrosion inhibitor for protecting the marking paint spraying equipment from rusting.
  • aqueous marking paint solutions should also be compatible with the marking paint, i.e. none of the composition's components should be allowed to settle, form sediment or otherwise separate from the rest of the aqueous solution during storage.
  • aqueous marking paint solutions must necessarily be charged into a spraying device and used in relatively large amounts with an ever-present hazard of some ending up on a user's skin.
  • aqueous marking paint solution's main components should cause as little skin irritation as possible and should be as nontoxic as possible both inhaled and by way of dermal exposure.
  • the latter implies that the LD50 values thereof should be high for mammals, especially humans.
  • aqueous marking paint solution should be compatible with the actual marking paint, yet, at the same time, the aqueous marking paint solution should spread on a tree as rapidly as possible because the marking is performed in an automated manner as the tree is felled.
  • the human lethal toxicity of ethylene glycol has been estimated to be as low as about 1,4 ml/kg, whereby about 50 ml of ethylene glycol orally ingested may cause death.
  • the aqueous solution's components are incompatible with several biodegradable rust inhibitors, limiting considerably the use thereof.
  • the invention relates to a method for marking a tree trunk with a biodegradable aqueous marking paint solution, which also contains a rust inhibitor.
  • the method comprises spraying a trunk with an aqueous marking paint solution, which contains 35-55 wt% water and 40-60 wt% glycerol whose biodegradability as per test method OECD 301 is not more than 30 days, 0,1-2 wt% a colorant, 0,1-2 wt% a corrosion inhibitor, the total amount of glycerol and water in said aqueous solution being nevertheless higher than 95%, preferably higher than 97 wt%.
  • the invention relates also to a biodegradable aqueous marking paint solution for marking a tree trunk, said aqueous solution also containing a corrosion inhibitor.
  • the aqueous marking paint solution consists of 40-60 wt% glycerol, 35-55 wt% water, 0,1-2 wt% a colorant, 0,1-2 wt% a corrosion inhibitor, and 0-3 wt% an additive such as a foam suppressant, the total amount of glycerol and water in said aqueous solution being nevertheless higher than 95%, preferably higher than 97 wt%.
  • the method according to the invention is carried out by using an aqueous marking paint solution whose main components are completely biodegradable, nontoxic, and not causing skin irritation. More specifically, the invention is based on the aqueous solution's main components water and glycerol being non skin irritating, nontoxic, and completely biodegradable.
  • the skin irritancy of glycerol is as low as 0-0.4 while the maximum is 30.
  • the aqueous solution contains water and glycerol in a ratio 1:1 (wt%/wt%) and, in addition, the combined amount of water and glycerol of the aqueous solution's total weight is not less than 95 wt%.
  • the solution predominantly contains non skin irritating, nontoxic components water and glycerol, which break down rapidly after ending up in nature.
  • Glycerol is not toxic to humans even in 100-fold doses in comparison with glycol and has been approved as a food additive.
  • the corrosion inhibitor is also predominantly biodegradable. It is preferred that 95 wt%, preferably more than 99 wt%, of the corrosion inhibitor be biodegradable in less than 10 days, preferably in less than 4 days, when tested with OECD 301 method.
  • the marking paint itself is also biodegradable.
  • the biodegradable corrosion inhibitor contains water, sodium salts of organic acids, sodium benzoate, and sodium nitrite.
  • the biodegradable corrosion inhibitor is an anionic corrosion inhibitor which contains disodium(tetrapropenyl)succinate.
  • the biodegradable corrosion inhibitor contains polyhydroxyamides as an active rust inhibitor.
  • test method OECD 301 The employed method for establishing biodegradability for an aqueous solution of the present disclosure and its components was test method OECD 301, encompassing, among others, test methods OECD 301A and OECD 301D
  • aqueous solutions prepared in examples 1-3 were all clear with no turbidities. All aqueous solutions were tested by spraying or applying the same on a felled tree trunk manually or by means of an automated spraying implement mounted on a harvester head grapple and coupled with a disc saw. Hence, the grapple-mounted disc saw could be used first for cutting a tree and, subsequently or simultaneously, the tree trunk could be sprayed with a marking paint.
  • the harvester head grapple-mounted spraying implement was provided with a spraying device functionally connected to the harvester head grapple's hydraulics.
  • the spraying device comprised spray nozzles, a container holding an aqueous solution, and pumping equipment for pumping the aqueous solution to the spraying device's nozzles.
  • a stump marking paint was produced by preparing in a clean vessel an aqueous solution containing components set forth in table 1. This was followed by applying the marking paint on the trunk of a felled tree.
  • Table 1 Stump marking paint, aqueous solution 1 Ingredient amount/kg wt% amount/l vol% Water 50 43,98 50,6 49,7 Glycerol 62,07 54,60 49,2 48,9 Ecozol Red LY 0,800 0,7 0,7 0,69 Rima Flash B5 0,500 0,4 0,4 0,39 Total 113,67 100 100,50 100
  • the total amount of water and glycerol in the aqueous solution was always more than 95%, preferably more than 98 wt%, of the aqueous solution's total weight.
  • the aqueous marking paint solution contained glycerol and water in a ratio of 1:1 (vol/vol).
  • Rima flash B5 ® is a corrosion inhibitor containing sodium nitrite as an active substance.
  • aqueous solutions of example 1 also allow the use of adjuvants such as foam suppressants 0,2-1 wt%. Even then, the total amount of water and glycerol of the entire aqueous solution's weight is still more than 95%, preferably more than 97 wt%.
  • Aqueous marking paint solutions were prepared, containing:
  • Colorants were used at 1,5 wt% of the aqueous solution's 2 total weight.
  • the aqueous solution 2 contained glycerol and water in a ratio of 1:1 (vol/vol).
  • Rewocoros B3010 is an anionic surfactant that contains disodium(tetrapropenyl)succinate as an active substance and has anti-corrosion properties.
  • aqueous solutions of example 2 also allow the use of adjuvants such as foam suppressants 0,2-1 wt%.
  • Colorants were used preferably at 0,7 wt% of the aqueous solution's total weight.
  • the aqueous solution contained glycerol and water in a ratio of 1:1.
  • aqueous solution of example 3 also allows the use of adjuvants such as foam suppressants 0,2-1 wt%.
  • a typical foam suppressant is Defoamer 700, which is based on a stabilized copolymer.
  • Defoamer 700 in all examples 1-3 is a foam suppressant based on a stabilized copolymer. It can be used in aqueous solutions of the invention in the amount of 0,2-1 wt%.
  • Anticor A 40 is a corrosion inhibitor, which contains polyhydroxyamides.
  • Glycerol (source SIDS Initial Assessment Report for SIAM 14, Paris 2002) physical properties:
  • LD50 oral and dermal
  • LD50 varies for mammals within the range of 4000-60,000 mg/kg, depending on test method and mammal. There are hardly any tests for human subjects, one uncorroborated estimate for the level of lethal dosage being 1428 mg/kg.
  • LC50 for fish is more than 5000 mg/l and for marine mammals 10,000 mg/l.
  • the aerobic biodegradability was less than 30 days.
  • the biodegradability of more than 60% as a ThOD value determined after 10 days.
  • Glycerol has also been approved as a food additive, being quite safe when ingested.
  • the Iragon blue dye is not acutely toxic for aquatic organisms.
  • Ecozol Yellow MR, Ecozol Red LY, Ecozol Blue NC, Ecozol MYCR fulfill the biodegradability requirements as well as the eco-toxicity requirements, when the colors are added in the amount of less than 1 wt% into the above-determined aqueous marking paint solution.
  • Rima Flash is a liquid corrosion inhibitor, which contains predominantly water, sodium salts of organic acids, sodium benzoate and sodium nitrite. pH 8,1-8,7 Boiling range/boiling point 100°C Density 1,12-1,16 g/cm3 at 20°C Dynamic viscosity: 70 mPa at 20°C
  • Biodegradability In a so-called “closed bottle” test, conducted as per standard OECD 301, the aerobic biodegradability of anticor 40 is less than 30 days.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Engineering (AREA)
  • Paints Or Removers (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Claims (15)

  1. Verfahren zum Markieren eines Baumstammes mit einer biologisch-abbaubaren wässrigen Markierfarbenlösung, die auch einen Rostinhibitor enthält, dadurch gekennzeichnet, dass auf den Baumstamm eine wässrige Markierfarbenlösung aufgesprüht oder aufgetragen wird, die 35-55 Gew.-% Wasser und 40-60 Gew.-% Glycerin, dessen biologische Abbaubarkeit gemäß dem Testverfahren OECD 301 nicht mehr als 30 Tage beträgt, 0,1-2 Gew.-% eines Farbstoffs, 0,1-2 Gew.-% eines Korrosionsinhibitors enthält, wobei die Gesamtmenge an Glycerin und Wasser in der wässrigen Lösung dennoch höher als 95 % ist, vorzugsweise höher als 97 Gew.-%.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Markierung eines Baumstammes mit einer wässrigen Markierfarbenlösung durch Besprühen des Baumstammes mit der wässrigen Lösung mittels einer automatischen Sprühvorrichtung durchgeführt wird, die an den Harvesterkopfgreifer einer Forstmaschine gekoppelt ist.
  3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die wässrige Markierfarbenlösung Glycerin und Wasser in einem Verhältnis von 1:1 (Vol%/Vol%) enthält.
  4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die wässrige Markierfarbenlösung einen anionischen, kationischen oder nichtionischen Korrosionsinhibitor in einer Konzentration von 0,1-2,0 Gew.-%, vorzugsweise 0,1-1 Gew.-%, enthält.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass ein überwiegender Teil des Korrosionsinhibitors ebenfalls biologisch-abbaubar ist.
  6. Verfahren nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass 95 Gew.-%, vorzugsweise mehr als 99 Gew.-%, des Korrosionsinhibitors in weniger als 10 Tagen, vorzugsweise in weniger als 4 Tagen, biologisch-abbaubar sind, wie mit dem Verfahren OECD 301 getestet.
  7. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass der Korrosionsinhibitor Wasser, Natriumsalze von organischen Säuren, Natriumbenzoat und Natriumnitrit enthält.
  8. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass der Korrosionsinhibitor ein anionischer Korrosionsinhibitor ist, der Dinatrium(tetrapropenyl)succinat enthält.
  9. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass der Korrosionsinhibitor Polyhydroxyamide als aktives Rostschutzmittel enthält.
  10. Biologisch-abbaubare wässrige Markierfarbenlösung zum Markieren eines Baumstamms, wobei die wässrige Lösung auch einen Korrosionsinhibitor enthält, dadurch gekennzeichnet, dass die wässrige Markierfarbenlösung aus 40-60 Gew.-% Glycerin, 35-55 Gew.-% Wasser, 0,1-2 Gew.-% eines Farbstoffes, 0,1-2 Gew.-% eines Korrosionsinhibitors und 0-3 Gew.-% eines Additivs, wie z.B. eines Schaumunterdrückungsmittels, besteht, wobei die Gesamtmenge an Glycerin und Wasser in der wässrigen Lösung dennoch höher als 95 %, vorzugsweise höher als 97 Gew.-% ist.
  11. Biologisch-abbaubare wässrige Markierfarbenlösung nach Anspruch 10, dadurch gekennzeichnet, dass die wässrige Markierfarbenlösung einen Korrosionsinhibitor in einer Menge von 0,1-1 Gew.-% des Gesamtgewichts der wässrigen Lösung enthält.
  12. Biologisch-abbaubare wässrige Markierfarbenlösung nach Anspruch 11, dadurch gekennzeichnet, dass der Korrosionsinhibitor Natriumnitrit enthält.
  13. Biologisch-abbaubare wässrige Markierfarbenlösung nach Anspruch 11, dadurch gekennzeichnet, dass der Korrosionsinhibitor Polyhydroxyamide enthält.
  14. Biologisch-abbaubare wässrige Markierfarbenlösung nach Anspruch 11, dadurch gekennzeichnet, dass der Korrosionsinhibitor Alkenylsuccinat wie z.B. Natrium(tetrapropenyl)succinat enthält.
  15. Biologisch-abbaubare wässrige Markierfarbenlösung nach Anspruch 10, dadurch gekennzeichnet, dass die Markierfarbe Essigsäure enthält.
EP18187559.2A 2017-08-04 2018-08-06 Verfahren zur markierung eines baumstamms mit biologisch abbaubarer wässriger markierungsfarbenlösung sowie biologisch abbaubare wässrige markierungsfarbenlösung Active EP3473083B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20175711A FI128607B (fi) 2017-08-04 2017-08-04 Menetelmä puunrungon merkitsemiseksi biohajoavalla merkintävärin vesiliuoksella ja biohajoava merkintävärin vesiliuos

Publications (2)

Publication Number Publication Date
EP3473083A1 EP3473083A1 (de) 2019-04-24
EP3473083B1 true EP3473083B1 (de) 2022-11-02

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EP18187559.2A Active EP3473083B1 (de) 2017-08-04 2018-08-06 Verfahren zur markierung eines baumstamms mit biologisch abbaubarer wässriger markierungsfarbenlösung sowie biologisch abbaubare wässrige markierungsfarbenlösung

Country Status (5)

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EP (1) EP3473083B1 (de)
DE (1) DE202018006403U1 (de)
DK (1) DK3473083T3 (de)
FI (2) FI128607B (de)
PL (1) PL3473083T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200354585A1 (en) * 2019-05-09 2020-11-12 Maria Ramirez-Cervantes Eco-friendly paint compound

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5735940A (en) * 1994-09-23 1998-04-07 Coller; Miriam Marking composition
FI116679B (fi) * 2001-10-25 2006-01-31 Jarmat Oy Menetelmä ja merkintäväri puun merkitsemiseksi
US9790808B2 (en) 2005-04-04 2017-10-17 Ecoservices, Llc Mobile on-wing engine washing and water reclamation system
DE102006011677A1 (de) * 2006-03-14 2007-09-20 Werner Wieland Markierungsvorrichtung zur Markierung von Soll-Schnittstellen an gefällten Baumstämmen

Also Published As

Publication number Publication date
PL3473083T3 (pl) 2023-03-06
FI3473083T3 (fi) 2023-02-28
DK3473083T3 (da) 2023-02-06
FI128607B (fi) 2020-08-31
EP3473083A1 (de) 2019-04-24
DE202018006403U1 (de) 2020-04-20
FI20175711A1 (fi) 2019-02-05

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